Approach #1 - Packet Capture and Analysis The answers to those questions usually support one of two approaches: packet capture or real-time stream analysis. The questions typically raised by network teams are: Packet analysis points to the cause of the issue, by passively analyzing the traffic itself Analyzing packets can unlock the mystery of elusive, intermittent, and short term performance issues, and provide guidance on how to proceed quickly to problem resolution. Packet-level analysis reveals the relationships between the applications, servers, and clients involved, and the network interconnecting them. The more difficult that problems are to resolve, the more experts need to ‘consult the wire’.
NetFLOW or IPFix) provides quick insights into broad capacity utilization trends to help troubleshoot infrastructure and macro issues, but offers little insight into application sessions and the transactions that support them.
Network administrators rely on network traffic analysis, such as packet capture and real-time stream analysis, to troubleshoot complex issues such as network and application performance degradations, as well as poor end-user experience.
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